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Issue 41, 2020
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From BiF3 to BiF3·H2O: diverse Bi(iii) coordination for structural transformation and birefringence regulation

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Abstract

Lone pair activity is an important factor to regulate the crystal structure symmetry and related optical response. Herein, a new type of hydrated bismuth fluoride, BiF3·H2O, was synthesized and characterized by a facile hydrothermal reaction. Obviously, the introduction of a water molecule significantly changed the coordination environment of Bi3+, thereby seriously changing the crystal structure of the compound BiF3. Compared with asymmetric BiFm fundamental building blocks in other compounds, BiF3·H2O possesses unprecedented near-isotropic BiF9 polyhedra and exhibits regulated birefringence values. Therefore, this work will contribute to the structural diversity of BimFn-based compounds and explore the development of new birefringent crystals.

Graphical abstract: From BiF3 to BiF3·H2O: diverse Bi(iii) coordination for structural transformation and birefringence regulation

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Article information


Submitted
20 Aug 2020
Accepted
08 Sep 2020
First published
08 Sep 2020

CrystEngComm, 2020,22, 6838-6846
Article type
Paper

From BiF3 to BiF3·H2O: diverse Bi(III) coordination for structural transformation and birefringence regulation

X. Liu, C. Yang, Q. Wu, J. Sun and F. Liang, CrystEngComm, 2020, 22, 6838
DOI: 10.1039/D0CE01213K

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